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Posted at 10:15 AM ET, 12/ 1/2008

Forecast: December Brings Breezy Beginning

By Jason Samenow

* Weather Checker: An Outsider's Analysis of CWG's Forecast Accuracy *

By the meteorological calendar, winter begins today and gusty winds will give it a wintry feel. However, highs near and above 50 for the next several days will feel pretty good compared to what's coming later this week. On Thursday, an Arctic cold front will lower highs to near or below 40 for Friday and the weekend. Rain chances this week will be pretty spotty -- with an isolated shower possible today and perhaps on Thursday.


Mostly cloudy and windy. P.M. shower? 48-52. The storm that brought rain yesterday will crank up to our north, feeding back strong winds from the west and southwest. With the air from that direction not all that cold and the possibility of some sun, temperatures should rise to 50 or so -- chilly but not bitter. At the same time, some cold air moving in aloft may destabilize the atmosphere enough to trigger an afternoon shower or two, but chances are just 20%. The main story will be the wind, which will blow from 15-25 mph with higher gusts.

Overnight, skies should partially clear, with lows 32-37 (suburbs-city).

Confidence: Medium

Keep reading for the forecast through the weekend.


Becoming mostly sunny. 46-50. High pressure building in from the southwest will help winds relax and give us a good amount of sunshine. Temperatures will likely be a few degrees cooler than today, but will feel a bit warmer, thanks to lighter winds from the west at just about 10 mph.

Clear and cold overnight, with calm winds. Low temperatures should fall to 25-31 (suburbs-city).


Wednesday likely brings the finest weather of the week: lots of sunshine with the possibility of temperatures rising to above-average levels for the first time in almost two weeks (although it's possible that happens today). Highs should reach the mid 50s. Increasing clouds overnight, with lows 33-37 (suburbs-city) Confidence: Medium-High

A strong cold front will push through the region Thursday resulting in cloudy skies and a 30% chance of showers (greater chances the further north you go). Highs should be near 50. Breezy and colder Thursday night, with lows 28-32 (suburbs-city). Confidence: Medium

The most uncomfortable weather of the week arrives Friday. A gusty wind from the northwest coupled with the arrival of an Arctic air mass will likely make it feel at or below freezing most of the day. Actual air temperatures should max out in the upper 30s. Confidence: Medium

The weekend stands to be partly sunny and cold, with highs near 40 both days, and overnight lows 19-25 (suburbs-city). Confidence: Medium

By Jason Samenow  | December 1, 2008; 10:15 AM ET
Categories:  Forecasts  
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.60 cold rain yesterday with a high temp. of 36.

35 degrees and mostly cloudy in the Valley this morning, with snow showers 10-20 miles to my west.

We may have a better chance of witnessing snowfall next weekend than this past weekend, per latest GFS/ECMWF, though it may be on the light side.

Posted by: AugustaJim | December 1, 2008 7:38 AM | Report abuse

1.00 exactly out of this one...needed it for sure...lets see if the GFS can bring back its solution from a few days ago for next weekend. We need that big blue H over SW Quebec!

Posted by: DullesARC | December 1, 2008 8:30 AM | Report abuse

A few lighting strikes reported with the showers moving through Frederick County.

Posted by: Dan-CapitalWeatherGang | December 1, 2008 1:29 PM | Report abuse

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